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شائع Word Problems >

The product of some negative number and 3 less than twice that number is 527. Find the number.

الحلّ

T h e p ro d u c t o f so m e n e g a t i v e n u mb er an d 3 l ess t han tw i ce t ha t n u mb er i s 527. F in d t h e n u mb er .

الحلّ

The number : - 15 \frac{1}{2}

خطوات الحلّ

Represent the number with

x

A.T.Q.:

x (2 x - 3) = 527

x (2 x - 3) = 527, x

حلّ لـ:

x = 17, x = - \frac{31}{2}

Select negative solutions:

- \frac{31}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{31}{2} = 15 \frac{1}{2}

The number : - 15 \frac{1}{2}

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